package cn.itcast.bos.web.action.base;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.JoinType;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Actions;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import cn.itcast.bos.domain.base.Courier;
import cn.itcast.bos.domain.base.Standard;
import cn.itcast.bos.service.base.CourierService;
import cn.itcast.bos.web.action.common.BaseAction;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;


@ParentPackage("json-default")
@Namespace("/")
@Actions
@Controller
@Scope("prototype")
public class CourierAction extends BaseAction<Courier>{

	
	
	private String ids;
	
	//设置属性驱动：
	public void setIds(String ids) {
		this.ids = ids;
	}

	

	@Autowired
	private CourierService courierService;
	
	
	
	@Action(value = "courier_save",results = {@Result(name = "success",location = "./pages/base/courier.html",type = "redirect")})
	public String save(){
		courierService.save(model);
		return SUCCESS;
	}
	
	@Action(value = "courier_pageQuery",results ={@Result(name = "success",type = "json")})
	public String pageQuery(){
		//System.out.println("hello ---java");
		Specification<Courier> specification = new Specification<Courier>() {
			
			@Override
			public Predicate toPredicate(Root<Courier> root, CriteriaQuery<?> query,
					CriteriaBuilder cb) {
				List <Predicate> list  = new ArrayList<Predicate>();
				if(StringUtils.isNotBlank(model.getCourierNum())){
					Predicate p1 = cb.equal(root.get("courierNum").as(String.class), model.getCourierNum());
					list.add(p1);
				};
				
				if(StringUtils.isNotBlank(model.getType())){
					Predicate p2 = cb.equal(root.get("type").as(String.class), model.getType());
					list.add(p2);
				}
				
				if(StringUtils.isNotBlank(model.getCompany())){
					Predicate p3 = cb.like(root.get("company").as(String.class),"%"+model.getCompany()+"%");
					list.add(p3);
				}
				
				//多表联合查询
				Join<Courier,Standard> joinStandard = root.join("standard",	JoinType.INNER);
				if(model.getStandard()!=null && StringUtils.isNotBlank(model.getStandard().getName())){
					Predicate p4 = cb.like(joinStandard.get("name").as(String.class), "%"+model.getStandard().getName());
					list.add(p4);
				}
				return cb.and(list.toArray(new Predicate[0]));
			}
		};
		
		Pageable pageable = new PageRequest(page-1, rows);
		Page<Courier> pageData = courierService.findPageData(specification,pageable);
		
		pushPageDataToValueStack(pageData);
		/*Map<String,Object> result = new HashMap<String,Object>();
		result.put("total", pageData.getTotalElements());
		result.put("rows", pageData.getContent());
		System.out.println("--------------");
		System.out.println(pageData.getTotalElements());
		ActionContext.getContext().getValueStack().push(result);*/
		return SUCCESS;
	}
	
	
	

	//设置逻辑删除的方法：
	@Action(value = "courier_delBatch",results = {@Result(name = "success",location = "./pages/base/courier.html",type = "redirect")})
	public String delBatch(){
		System.out.println(ids);
		String[] idArrary = ids.split(",");
		courierService.delBatch(idArrary);
		System.out.println("word");
		return SUCCESS;
	}
	
	//设置逻辑还原的方法：
		@Action(value = "courier_doBatch",results = {@Result(name = "success",location = "./pages/base/courier.html",type = "redirect")})
		public String doBatch(){
			String[] idArrary = ids.split(",");
			courierService.doBatch(idArrary);
			return SUCCESS;
		}

}
